ARCed.UI.DockPanel.FocusManagerImpl.Activate C# (CSharp) Method

            public void Activate(IDockContent content)
            {
                if (this.IsFocusTrackingSuspended)
                {
                    this.ContentActivating = content;
                    return;
                }

                if (content == null)
                    return;
                DockContentHandler handler = content.DockHandler;
                if (handler.Form.IsDisposed)
                    return; // Should not reach here, but better than throwing an exception
                if (ContentContains(content, handler.ActiveWindowHandle))
                    NativeMethods.SetFocus(handler.ActiveWindowHandle);
                if (!handler.Form.ContainsFocus)
                {
                    if (!handler.Form.SelectNextControl(handler.Form.ActiveControl, true, true, true, true))
                        // Since DockContent Form is not selectalbe, use Win32 SetFocus instead
                        NativeMethods.SetFocus(handler.Form.Handle);
                }
            }